Home / 500,543.16-690,763.59-304,309.32

Finding the Fourth Proportional to 500,543.16, 690,763.59 and 304,309.32

Calculator

Solution

The fourth proportional to 500,543.16, 690,763.59 and 304,309.32 is: 419,955.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,543.16 : 690,763.59 = 304,309.32 : x
  2. Step 2: Convert to fraction form
    500,543.16/690,763.59 = 304,309.32/x
  3. Step 3: Cross multiply
    500,543.16x = 690,763.59 × 304,309.32
  4. Step 4: Simplify right side
    500,543.16x = 210,205,798,353.66
  5. Step 5: Solve for x
    x = 210,205,798,353.66/500,543.16
  6. Step 6: Final answer
    x = 419,955.39

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.